Colour

#042C27

#042C27
Cyan
Dark
Nearest: Dark slate grey

#042C27 is a cyan with RGB values 4, 44, 39 and HSL 173°, 83%, 9%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#042C27#042C27

HEX#042C27

RGBrgb(4, 44, 39)

RGB (0–1)0.0157, 0.1725, 0.1529

RGB percentages1.6%, 17.3%, 15.3%

HSLhsl(172.5, 83.3%, 9.4%)

HSV / HSBhsv(172.5, 90.9%, 17.3%)

CMYK90.9%, 0%, 11.4%, 82.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer273,447

CSS custom property--colour: #042C27;

Brightness & contrast

Relative luminance0.01974WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.06:1

Contrast with white15.06:1WCAG normal text: AAA

Contrast with black1.39:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#FBD3D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#292927no red cones; affects about 1% of men; ΔE 14.7 from the original

Deuteranopia#242527no green cones; the most common form, about 1% of men; ΔE 15.1 from the original

Tritanopia#002D2Ano blue cones; rare, and affects men and women equally; ΔE 1.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.06:1WCAG large text: AAA

Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.5 Black · ΔE 21.5 Dim grey · ΔE 32.7 Teal · ΔE 36.5 Slate grey · ΔE 40.9 Dark cyan · ΔE 40.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.53, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#2C0409

Analogous#042C13, #041D2C

Triadic#27042C, #2C2704

Split complementary#2C041D, #2C1304

Tetradic#13042C, #2C0409, #1D2C04

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#15E7CD

Lighter +30%#11B8A3

Lighter +20%#0C8A7A

Lighter +10%#085B50

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00302A

Less saturated −25%#0A2623

Channel breakdown

G44

B39

Red4 (1.6%)

Green44 (17.3%)

Blue39 (15.3%)

Hue172.5°

Saturation (HSL)83.33%

Lightness9.41%

Dominant channelGreen

Hex per channelR 04 · G 2C · B 27

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#042C27

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else